Annette Fliedner*, Heinz Rüdel, Heinrich Jürling, Josef Müller, Frank Neugebauer and Christa Schröter-Kermani
* Corresponding author: Annette Fliedner annette.fliedner@ime.fraunhofer.de
Environmental Sciences Europe 2012, 24:7 doi:10.1186/2190-4715-24-7
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